OE Quality
60-Day Returns

Moog 81409 Coil Spring Set - Rear
Moog Coil Spring Set for Toyota Sienna
The Moog 81409 coil spring set is designed specifically for Toyota Sienna models, providing reliable suspension performance. Engineered with precise dimensions and durable materials, this coil spring set helps maintain proper ride height and handling characteristics.
- Wire diameter options: 0.66 inches and 16.66 mm for strength and flexibility
- Black spring color for corrosion resistance and a clean appearance
- Front and rear spring outside diameter: 5.890 inches
- Front and rear spring relaxed length: 14.19 inches (360.36 mm)
- Front and rear spring compressed length: 10.000 inches
Technical Details of Moog 81409 Coil Springs
This coil spring set features a wire diameter of 0.66 inches (16.66 mm), balancing durability with ride comfort. Both front and rear springs share an outside diameter of 5.890 inches, ensuring consistent suspension geometry. The relaxed length of 14.19 inches (360.36 mm) and compressed length of 10.000 inches allow for optimal suspension travel and load support. The black finish provides resistance against corrosion and wear, extending the lifespan of the springs under typical driving conditions.
Compatible Vehicles and Applications
The Moog 81409 coil spring set is compatible with Toyota Sienna models, designed to restore or maintain factory suspension specifications. This set is ideal for addressing issues such as:
- Lowered or sagging suspension height
- Uneven ride quality or handling instability
- Worn or fatigued coil springs causing noise or vibration
- Improved suspension response after extended use
- Replacement of damaged or corroded springs
Installation Notes and Tips
When installing the Moog 81409 coil spring set on a Toyota Sienna, ensure the vehicle is securely lifted and supported. It is recommended to replace springs in pairs (front or rear) to maintain balanced suspension performance. Verify spring orientation and seating during installation to prevent premature wear or noise. Professional installation is advised for safety and optimal results.
Quality Assurance and Warranty
Moog suspension components are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 81409 are not provided here, Moog typically offers limited warranties covering defects in materials and workmanship. Consult Moog or authorized distributors for exact warranty terms related to this coil spring set.
| Brand | Moog |
|---|---|
| Part Number | 81409 |
| Wire Diameter | 0.66 |
| Wire Diameter | 16.66 |
| Spring Color | Black |
| Front Spring Outside Diameter | 5.890 |
| Front Spring Relaxed Length | 14.19 |
| Front Spring Relaxed Length | 360.36 |
| Front Spring Compressed Length | 10.000 |
| Rear Spring Relaxed Length | 14.19 |
| Rear Spring Relaxed Length | 360.36 |
| Rear Spring Compressed Length | 10.000 |
| Rear Spring Outside Diameter | 5.890 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Toyota | Sienna | AWD | Rear | Constant Rate Spring |
| 2009 | Toyota | Sienna | AWD | Rear | Constant Rate Spring |
| 2008 | Toyota | Sienna | AWD | Rear | Constant Rate Spring |
| 2007 | Toyota | Sienna | AWD | Rear | Constant Rate Spring |
| 2006 | Toyota | Sienna | AWD | Rear | Constant Rate Spring |
| 2005 | Toyota | Sienna | AWD | Rear | Constant Rate Spring |
| 2004 | Toyota | Sienna | AWD | Rear | Constant Rate Spring |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.